Across
- 3. Transfers energy in the mantle
- 5. pushes on plate down and forms volcanoes
- 8. pulls apart and forms rift valleys
- 9. a thin layer of crust that underlies the ocean basins
- 10. slide past each other and form earthquakes and faults
Down
- 1. the earth's upper mantle
- 2. a thick layer of rock that form the continents
- 4. a series of volcanoes that surround the Pacific Ocean
- 6. crashes together and forms mountains
- 7. the earth's outer crust